Product comparison · 2 power adapters & inverters

Ewent EW1209 power adapter/inverter Indoor vs Ewent EW3991 power adapter/inverter Auto

6specifications compared
5differ
1identical
16known for one product only

Key differences

Power supply type
- EW1209 power adapter/inverter Indoor:Indoor
- EW3991 power adapter/inverter Auto:Auto
Input voltage
- EW1209 power adapter/inverter Indoor:100-240 V
- EW3991 power adapter/inverter Auto:220 - 240 V
Output power
- EW1209 power adapter/inverter Indoor:5 W
- EW3991 power adapter/inverter Auto:150 W
Output voltage
- EW1209 power adapter/inverter Indoor:5 V
- EW3991 power adapter/inverter Auto:230 V
Product colour
- EW1209 power adapter/inverter Indoor:White
- EW3991 power adapter/inverter Auto:Black

Side by side

Differences highlightedShow differences only

Comparison of EW1209, EW3991
22 specifications	A Ewent EW1209 power adapter/inverter Indoor Model EW1209 View product	B Ewent EW3991 power adapter/inverter Auto Model EW3991 View product
Features4 differ
Purpose	Universal	Universal
Power supply typeDiffers	Indoor	Auto
Power current typeKnown for one	Unknown — not stated by the source	DC-to-AC
Input voltageDiffers	100-240 V	220 - 240 V
Input frequencyKnown for one	Unknown — not stated by the source	50 Hz
Input currentKnown for one	Unknown — not stated by the source	12 A
Output powerDiffers	5 W	150 W
Output voltageDiffers	5 V	230 V
Power plug typeKnown for one	Unknown — not stated by the source	Type F (CEE 7/4)
USB ports quantityKnown for one	Unknown — not stated by the source	1
Power protection featuresKnown for one	Unknown — not stated by the source	Over voltage, Overload
CompatibilityKnown for one	iPad Mini, iPhone & Smartphone iPod & MP3/MP4 players	Unknown — not stated by the source
Poweridentical
Output currentKnown for one	Unknown — not stated by the source	500 mA
Power adapter capacityKnown for one	1000 mAh	Unknown — not stated by the source
Performanceidentical
USB connectivityKnown for one	Unknown — not stated by the source	Yes
USB versionKnown for one	Unknown — not stated by the source	2.0
USB output voltageKnown for one	Unknown — not stated by the source	5 V
Connector(s)Known for one	USB	Unknown — not stated by the source
Design1 differ
Product colourDiffers	White	Black
On/off switchKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Peak powerKnown for one	Unknown — not stated by the source	300 W
WaveformKnown for one	Unknown — not stated by the source	Sine

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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